engineering

Secondary-alcohol oxidase

Secondary-alcohol oxidase is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Secondary-alcohol oxidase rather than just read about it. In short: In enzymology, a secondary-alcohol oxidase (EC 1.1.3.18) is an enzyme that catalyzes the chemical reaction a secondary alcohol + O2 ⇌ {\displaystyle \rightleftharpoons } a ketone + H2O2 Thus, the two substrates of this enzyme are secondary alcohol and O2, whereas its two products are ketone and H2O2. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with oxyg…

Key takeaways

Secondary-alcohol oxidase belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Secondary-alcohol oxidase to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Secondary-alcohol oxidase from memory before moving on to harder problems.

Reference excerpt

In enzymology, a secondary-alcohol oxidase (EC 1.1.3.18) is an enzyme that catalyzes the chemical reaction

a secondary alcohol + O2 ⇌ {\displaystyle \rightleftharpoons } a ketone + H2O2 Thus, the two substrates of this enzyme are secondary alcohol and O2, whereas its two products are ketone and H2O2. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with oxygen as acceptor. The systematic name of this enzyme class is secondary-alcohol:oxygen oxidoreductase. Other names in common use include polyvinyl alcohol oxidase, and secondary alcohol oxidase.

References

Morita M, Hamada N, Sakai K, Watanabe Y (1979). "Purification and properties of secondary alcohol oxidase from a strain of Pseudomonas". Agric. Biol. Chem. 43 (6): 1225–1235. doi:10.1271/bbb1961.43.1225. Sakai K, Hamada N, Watanabe Y (1983). "Separation of secondary alcohol oxidase and oxidized poly(vinyl alcohol) hydrolase by hydrophobic and dye-ligand chromatographies". Agric. Biol. Chem. 47: 153–155. doi:10.1271/bbb1961.47.153. Suzuki T (1976). "Purification and some properties of polyvinyl alcohol-degrading enzyme produced by Pseudomonas O-3". Agric. Biol. Chem. 40 (3): 497–504. doi:10.1271/bbb1961.40.497. Suzuki T (1977). "Oxidation of secondary alcohols by polyvinyl alcohol-degrading enzyme produced by Pseudomonas O-3". Agric. Biol. Chem. 42 (6): 1187–1194. doi:10.1271/bbb1961.42.1187.

Worked examples

Example 1 — a first encounter with Secondary-alcohol oxidase

Start with the simplest possible case. Write down what Secondary-alcohol oxidase claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Secondary-alcohol oxidase before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Secondary-alcohol oxidase ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Secondary-alcohol oxidase

In research: Secondary-alcohol oxidase appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Secondary-alcohol oxidase in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Secondary-alcohol oxidase is common in secondary-school and first-year university syllabi. It links to neighbouring topics EC 1.1.3, EC 1.1 stubs, Enzymes of unknown structure, so understanding it makes those chapters shorter.
In everyday life: Look for Secondary-alcohol oxidase outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Secondary-alcohol oxidase in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Secondary-alcohol oxidase means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Secondary-alcohol oxidase out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Secondary-alcohol oxidase in simple terms?

In enzymology, a secondary-alcohol oxidase (EC 1.1.3.18) is an enzyme that catalyzes the chemical reaction a secondary alcohol + O2 ⇌ {\displaystyle \rightleftharpoons } a ketone + H2O2 Thus, the two substrates of this enzyme are secondary alcohol and O2, whereas its two products are ketone and H2O…

Why does Secondary-alcohol oxidase matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Secondary-alcohol oxidase?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Secondary-alcohol oxidase.